You can clean toilet stains with a toilet brush, baking soda, and white vinegar. Household cleaning ingredients like Borax or a wet pumice stone can also scrub away tough mineral stains. If a light cleaning can't break through stubborn toilet bowl stains, you're probably dealing with mineral stains.
Also, make a simple routine part of your weekly cleaning: Sprinkle the toilet with cup of baking soda. Let it sit for 30 minutes, then spray or squirt with vinegar (a mild acid) to moisten. Scrub with a bowl brush and flush away [source: Niagara County].
To remove hard water stains, one cup of vinegar and one cup of baking soda will do wonders, but when it comes to unclogging the toilet, it takes a bit more work. Using heat and pressure changes can unclog a toilet, so pour around one cup of baking soda into the toilet bowl followed by a gallon of very hot water.
Pour one cup of baking soda into the clogged toilet, and then chase it with the hot water/vinegar mixture. Leave the volcano mix to do its job, checking in about 30 minutes. In most cases the clog will have come apart, and a simple flush with send it all down the drain. Plus your toilet bowl will be cleaner!
To that end, when it comes to using baking soda for your toilet, there are two primary purposes: using baking soda to clean and remove stains, and using baking soda to unclog your toilet.
Citric acid
More importantly, it's probably even more effective than vinegar for getting rid of that brown stain in the toilet. Simply pour a kettle of almost boiling water into the bowl, follow up with 250ml of citric acid, and leave it for some hours – preferably overnight. The next day, scrub and flush.
If the clog still seems to be intact, start over at step 1 and repeat the process a couple of times. For extra-stubborn clogs, you can let the fizz mixture sit overnight or combine this method with plunging.
A much better solution is to use some WD-40 Multi-Use Product. Most people don't know that WD-40 can solve many of their household cleaning needs quickly and easily. When cleaning a toilet bowl, WD-40 works by softening the rust and lime deposits, so they can be easily wiped away. You don't need to use much of it.
Make a paste by mixing 1/2 cup of Borax and enough vinegar to form a thick paste. Spread the paste immediately onto the hard water stains in the toilet so they are completely covered by the paste. The Borax will harden quickly so don't add the vinegar until you are ready to apply the paste.
The most commonly recommended natural and non-toxic way to clean a toilet is with vinegar and baking soda. Simply poor two cups of vinegar into a toilet bowl, and pour one cup of baking soda. When the solution stops fizzing, spread it over the bowl with a toilet cleaner brush. Leave for 10-15 minutes and rinse.
That brown toilet-bowl stain isn't what you think it is
It's actually due to high concentrations of minerals in hard water, like calcium, iron, and manganese, that build up inside the toilet bowl over time, according to Hunker. In particular, iron oxide, or rust, is the main problem.
Clean the toilet bowl
Letting the cola sit for several hours will improve its effectiveness. Before flushing, use a toilet brush to scrub away the stains and flush. This works very well, but only for removing grime and stains. To disinfect, you will still need to use a disinfectant cleaner.
Add about 1 cup of baking soda to the toilet bowl, then add another 1 to 2 cups of vinegar. You should see and hear some fizzing action—this means that it's working! Let the solution sit and fizz for about ten minutes.
But common pantry essentials that are often used for cleaning — like baking soda and vinegar — shouldn't be mixed either. Unlike the bleach-ammonia mixture, combining soda and vinegar won't hurt anyone — but don't expect the mixture to do a good job cleaning, either.
Add your cleanser to the tank: A few tablespoons of a liquid soap, a half cup of white vinegar or a half cup of baking soda. Swish it around with the brush to mix it up.
WAIT: Let the baking soda sit overnight or even longer. The longer the baking soda stays on the stain, the more oil it can absorb. VACUUM: Thoroughly vacuum the area and inspect. In many cases, the stain will be gone!
As a one-stop cleaning solution, pour one cup of bleach around the bowl. Then tackle every inch with a toilet brush or a handheld scrub brush. Let it sit for five minutes, then flush.
Cleaning with a mixture of baking soda and vinegar in the bathroom can work really well. To clean your toilet with vinegar, pour a cup of vinegar in the toilet bowl and let sit overnight. The next morning, sprinkle a little baking soda into the bowl, scrub, and then flush clean.
Sodium bicarbonate and acetic acid reacts to carbon dioxide, water and sodium acetate. The solid baking soda was placed in liquid vinegar producing carbon dioxide gas, which is evident because of the formation of bubbles in the foaming mixture.